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• What is a non commital approach to software analysis

  - by dsjbirch

  When I think about software analysis the first thing which comes to mind is SSADM and the UML. But, what I want is a high level view of the system before I commit to a programming paradigm. Where am I going wrong? How do I approach a problem in a high level and generic way before I commit to a paradigm? What are the diagrams/tools available to support me? Edit: Some examples of tools that appear to be what I'm after are... A block diagram - http://en.wikipedia.org/wiki/Block_diagram A data flow diagram - http://en.wikipedia.org/wiki/Data_flow_diagram

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• System Center Service Manager 2010 SP1 Resource Links

  - by Mickey Gousset

  System Center Service Manager is a new product that Microsoft released last year to handle incident/problem/change management.  Currently the latest version is System Center Service Manager SP1, and there is a Cumulative Update for SP1 that you should grab as well. A strong ecosystem is starting to spring up around this product, with tools and connectors that fill needs not build into the product.  To find the latest list of these items, you need to do to the SCSM 2010 Downloads page.  Here you can find a list of the latest tools and add-ons from Microsoft, as well as third-party vendors.  The Microsoft Exchange connector, and the Powershell Cmdlets are definitely worth it to download and install.

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• Flash Webcam non responsive Ubuntu 11.10

  - by powerbuoy

  I've got the same problem as this gentleman: https://answers.launchpad.net/ubuntu/+source/flashplugin-nonfree/+question/176541 Where the webcam settings / access does not work at all / is completely unresponsive in Ubuntu 11.10. I've tried webcam access in Facebook, Google+, my own code + a number of tutorials/demos and none work. What happens is the settings dialogue is completely unresponsive. Clicking tabs or buttons does nothing. In the question linked to a suggested answer is to run Unity 2D. Unfortunately this does not work for me (the exact same thing happens). I've also tried Gnome 3 which also does not work. Note that it is only the webcam settings that don't work. YouTube videos and annoying banners work just fine. Does anyone know of a workaround for this (except going back to 11.04) or if they've fixed this in 12.04? - also, are any of you experiencing the same thing?

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• AI control for a ship with physics model

  - by Petteri Hietavirta

  I am looking for ideas how to implement following in 2D space. Unfortunately I don't know much about AI/path finding/autonomous control yet. Let's say this ship can move freely but it has mass and momentum. Also, external forces might affect it (explosions etc). The player can set a target for the ship at any time and it should reach that spot and stop. Without physics this would be simple, just point to the direction and go. But how to deal with existing momentum and then stopping on the spot? I don't want to modify ship's placement directly. edit: Just to make clear, the physics related math of the ship itself is not the problem.

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• Installation taking a very long time

  - by user290522

  I am installing Ubuntu 14.04(32-bit) on my laptop (Compaq Presario V2000), and after about 7 hours, it is still in Congiguring bcmwl-kernel-source (i386) mode. The messages I read are as follows: ubuntu kernel: [22814.858163] ACPI: \_SB_.PCI0.LPC0.LPC0.ACAD: ACPI_NOTIFY_BUS_CHECK event: unsupported with the numbers in the square brackets increasing. I have had Windows XP professional on this laptop, and I am erasing it. I am not sure if I should turn off the laptop, and start all over again. About 4 years ago I installed Ubuntu on this laptop, and that was very fast. The only problem I encountered was my wireless, and could not make it to work, and switched back to Windows. I appreciate any comments regarding this installation taking such a long time.

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• Lenovo ThinkPad T400 and docking station

  - by harry

  Developer in me woke up this morning and asked me to fix this before Christmas. (As his Christmas gift). So, if I power on the laptop after docking it, everything works fine. But if I am working on it standalone and then try to dock it, I cannot get the display. Same way, if I undock it while working, I loose the display. Basically, I need to reboot for any docking/undocking dance to work. Questions: 1) What kind of information should I be looking for to understand the problem? 2) Where to find that information. After this, I can go and try to figure out what is going wrong.

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• apt-fast for ubuntu 14.04?

  - by Jatin Kaushal

  I just upgraded to ubuntu 14.04 from ubuntu 12.04 (Which I loved) and now, I cant install apt-fast. My net connection is very slow and I want to download using apt-fast but whenever I add the apt-fast ppa and update and try to install it, It says package apt-fast not found How do I fix this? thank you. I really appreciate The effort made by askubuntu (Which includes you awesome people ;)) To help me. My problem has already been answered. Here is a screenshot of my software sources. The person who answered my question has apparently removed the comment that answered my question but here is the repository that helped me add apt-fast sudo add-apt-repository ppa:saiarcot895/myppa So if this helps I would like to upvote each and every person who helped me and I will accept one answer too, Just give me some time to test both of them ;) anyway thank you guys to help me. You are awesome :-) XD

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• Is SimplePHPBlog a secure blogging engine?

  - by authentictech

  Has anyone used the blog engine SimplePHPBlog? It is a simple blog engine that uses only text files (no database). My problem with it is that the content directory where the texts files are stored appears to require being world writeable/readable (i.e. permission 777) for it to work. This means anyone can access the text files with a browser! These text files include the blog/comment poster's IP and email address! This is not secure or good practice, right?

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• tail stops displaying in case of a log rotation

  - by Rudy Vissers

  I have to tail the log of a server (servicemix) and the log rotation is enabled. As soon as the rotation happens, tail stops displaying. I did some investigations and it is a bug in Debian : Debian Bug Report. The bug has been around for a long time ago. Does anyone knows if this bug in Ubuntu is to be fixed? I'm on Ubuntu 12.04 64 bit. I don't have to mention that this bug is total hell! Every time I have the problem, I have to interrupt the command tail and re-execute the command!

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• Wireless not working, no driver showing in the Additional Drivers window

  - by edit lopez

  I am a new user of Ubuntu. I have a Asus Q501L laptop that came preinstalled with Windows 8, but I wanted to move from Windows and try something new, so I just decided to install Ubuntu without thinking to much about it. The problem I have is that I can't install the additional drivers. When I go to to Additional Drivers nothing appears, it just says: no proprietary drivers are in use and in small letters continues: a proprietary driver has private code that Ubuntu developers can't review and improve. security and others updates are dependent on drivers vendor.. I can't even use the wireless connection. I really don't know what to do. I tried to download the drivers from Asus, but when I tried to install them it said: an error occurred while loading the archive. Also I don't know the model of the PC wireless card. If there is something I can do to find out that please tell me. Thanks!

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• Fixing LINQ Error: Sequence contains no elements

  - by ChrisD

  I’ve read some posts regarding this error when using the First() or Single() command.   They suggest using FirstOrDefault() or SingleorDefault() instead. But I recently encountered it when using a Sum() command in conjunction with a Where():   Code Snippet var effectiveFloor = policies.Where(p => p.PricingStrategy == PricingStrategy.EstablishFloor).Max(p => p.Amount);   When the Where() function eliminated all the items in the policies collection, the Sum() command threw the “Sequence contains no elements” exception.   Inserting the DefaultIfEmpty() command between the Where() and Sum(), prevents this error: Code Snippet var effectiveFloor = policies.Where(p => p.PricingStrategy == PricingStrategy.EstablishFloor).DefaultIfEmpty().Max(p => p.Amount);   but now throws a Null Reference exception!   The Fix: Using a combination of DefaultIfEmpty() and a null check in the Sum() command solves this problem entirely: Code Snippet var effectiveFloor = policies.Where(p => p.PricingStrategy == PricingStrategy.EstablishFloor).DefaultIfEmpty().Max(p =>  p==null?0 :p.Amount);

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• Supertuxkart not able to start

  - by subeh.sharma

  Was working fine before i played around with NVIDIA drivers and ended up with this problem. I tried running it through the terminal and i see these messages: subsharm@subsharm-ThinkPad-T61:~$ supertuxkart Irrlicht Engine version 1.7.2 Linux 3.0.0-15-generic #25-Ubuntu SMP Mon Jan 2 17:44:42 UTC 2012 x86_64 [FileManager] Data files will be fetched from: '/usr/share/games/supertuxkart/' [IrrDriver] Creating NULL device Irrlicht Engine version 1.7.2 Linux 3.0.0-15-generic #25-Ubuntu SMP Mon Jan 2 17:44:42 UTC 2012 x86_64 [IrrDriver] Trying OpenGL rendering. [IrrDriver] Tring to create device with 32 bits Xlib: extension "GLX" missing on display ":0.0". [IrrDriver Temp Logger] Level 1: No GLX support available. OpenGL driver will not work. [IrrDriver Temp Logger] Level 2: Fatal error, could not get visual. Segmentation fault subsharm@subsharm-ThinkPad-T61:~$ sudo Xorg -configure [sudo] password for subsharm: Fatal server error: Server is already active for display 0 If this server is no longer running, remove /tmp/.X0-lock and start again.

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• Setting up collision using a tilemap and cocos2d

  - by James

  I'm building my first platformer using cocos2d and a tilemap. I'm having trouble coming up with a decent way of determining if the character is colliding with an object. More specifically, in which direction is the character colliding with an object. Following the tutorial here, I have made a separate "meta" layer of collidable tiles. The problem is that unless the character is in the tile, you can't detect the collision. Also, there's no way of telling WHERE the collision is occurring. The best solution would be one that could tell me if a character is up against a wall, or walking on top of a platform. However, I can't seem to figure out a good technique for this.

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• Only recognizes one partition from multi partitions SD card

  - by Jay Ngo

  Hello everybody, I split my sd card into 2 partitions. When i use usb-card-reader to read my sd card, only the one partition shows up on the screen, the other doesn't. I have run the command "sudo fdisk -l" and the result is the same, only one partition is recognized. But i do believe both partitions of my sd card work fine, because i still can boot my single-board computer with that sd card and run some programms, which are inside that unreadable partition. How can i access both partitions of my sd card? Does anyone know how to solve this kind of problem? I really appreciate your help.

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• Black screen after installing ubuntu 11.10 on new pc

  - by wouter205

  Could anyone troubleshoot me please; After installing ubuntu on my fresh desktop, the ubuntu loading screen shortly appears and then I get a black screen and cannot access the login screen. When booting in failsafe modus, i get a message that ubuntu failed to load failsafe video drivers. I have a radeon 6850 video card and am able to start ubuntu live session. So I guess it loads the wrong drivers upon booting from hd. I remember a file in which you could change which drivers it should load, but forgot the exact location. Could this solve my problem (or another solution)

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• What's wrong with my grub configuration?

  - by Daniel Medrano

  I have one hard drive with 2 partitions. I had Windows XP and Windows Seven installed. I've deleted Seven partition and installed Ubuntu 11.10 on it. But when I turn on the computer and the grub menu appears on the screen, I can only see my ubuntu installations and a windows 7 loader. I've already got installed windows XP on another partition, but it doesn't boot. If I want to use Ubuntu alongside Windows XP, ¿how can I fix the problem?

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• Screen problems

  - by Erick

  I struggled a lot in order to install Ubuntu because of a problem with the video drivers caused by when installing the driver and after turning it on it just appears a black screen, which worked for me was to use the terminal with sudo setpci -s 00:02.0 F4.B=0 and the screen starts, but after rebooting the changes won't remain and I have to run that command again. My question is: How can I make the changes permanent and not to be in need to execute that command always when I shut it down? Original Question in Spanish: Problemas con pantalla He batallado mucho al instalar ubuntu por el problema con el controlador de video ya que al instalarlo al encenderla aparece solo una pantalla negra lo que me funciono fue usar desde consola sudo setpci -s 00:02.0 F4.B=0 enciende la pantalla pero al reiniciarla los cambios no se quedan guardados y tengo que volver a ejecutar ese comando mi pregunta es ¿como hacerle para que los cambios queden igual y no tener que estar ejecutando eso siempre que la apago?

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• How to make a ball fall faster on a ramp?

  - by Timothy Williams

  So, I'm making a ball game. Where you pick up the ball, drop it on a ramp, and it flies off in to blocks. The only problem right now is it falls at a normal speed, then lightly falls off, not nearly fast enough to get over the wall and hit the blocks. Is there any way to make the ball go faster down the ramp? Maybe even make it go faster depending on what height you dropped it from (e.g. if you hold it way above the ramp, and drop it, it will drop faster than if you dropped it right above the ramp.)

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• Do search engines directly penalize bad grammar?

  - by Nicolas Raoul

  Let's say I have a web page with user-contributed content, which is good content but with bad grammar, slang terms, inappropriate tone. I know that bad grammar is a also a problem because it drives away visitors and scares people from linking to it, but let's put that aside. Let's also put aside the fact that incorrectly spelt terms might be ignored by a crawler, potentially leading to less text-comparizon hits. QUESTION: Do search engines like Google directly recognize and penalize bad grammar? For instance because they might consider bad-grammar as a sign of low-quality content.

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• How to setup AD group to work with SharePoint group security

  - by ybbest

  Issue: Recently, I am having issues with the permission setup at client side. The way we setup permission is we create AD Group and add the add AD Group to the proper SharePoint Group. If we need to grant permission to a user, we then add the user to the correct AD group. But end user reports that by adding a user to an AD group, this user does not have any access to the SharePoint site. Solution: Change the AD Group scope from Global to Universal fix the problem. From To References: AD Group Scopes from Paul Stork http://social.technet.microsoft.com/forums/en-US/sharepointadminprevious/thread/79d2af40-3daa-4f61-86e5-5bb54086147f

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• Texturing a mesh generated from voxel data

  - by Minja

  I have implemented the Marching Cubes algorithm to display an isosurface based on voxel data. Currently, it is displayed with triplanar texturing. I'm working with unity, so I have a material with the triplanar shader attached. Now, the whole isosurface is rendered using this material. And thats my problem: I want the texture to represent the voxel data. I'm storing a material value for every point in the grid, and based on this value, I want the texture of the isosurface to change. Sadly, I have no clue how to do this. So if the voxel is sand, I want sand to be displayed; if it's stone, then there should be stone. Right now, everything is displayed as sand. Thanks in advance!

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• using x11 forwarding with ssh and vnc?

  - by simona

  I am working on a remote cluster via ssh with the -X option, because I need to visualize data and graphs, over a vpn protocol. Sometime due to the instability of the internet connection I lose my session. They told me I could use vnc in order to not lose my current session, so that if the internet connection drops I can reconnect and continue with my previously open session. What I do is to log in the remote cluster 'remote.cluster' and type vncserver :1 then I open another terminal on my system and I type ssh -C -NL 5901:remote.cluster:5901 [email protected] & Then I start vinagre on my system and I connect using ssh protocol. The problem is that I do not have x11 forwarding and I cannot open windows. If I try to connect using the vnc protocol with vinagre it doesn't connect, because I get something as connection timeout. What should I do?

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• js includes for html seo-friendly

  - by ascar

  I need to do client-side includes on a website for the navigation. The problem is the navigation is currently all html, and since I can't use php i've just been using js to include the html with document.write (). however, i read that this is not good for seo. While i know there are seo-friendly js navigation menus, I was wondering if there's a way to do this while including the html and not having to alter it very much? I also got it to work using embed with html which i know is super hacky but i don't really know that much about js and am frustrated being told not to use server side includes. thanks!!

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• When would I use pseudocode instead of flowchart?

  - by user1276078

  I'm a student working with various techniques of programming, and I've come across pseudocode and flowchart. I know that these are both used in order to think through the problem before actually programming, but I have a few questions with this. When would I use pseudocode to plan out and when would I use flowcharts? Or is it better to do both before actually programming. Particularly for a small arcade sort of game in JAVA since that is my next project. I've noticed that pseudocode is very similar to the actual code rather than flowcharts. Would this make pseudocoding better because you essentially copy/paste the pseudocode into your program (of course, you have to change it to fit the language. I understand that part). Is it practical to use both of these while programming? Particularly the same game mentioned earlier. Thanks.

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• Firefox stalls on rendering when chrome doesn't

  - by amccormack

  I have a webpage that loads quickly 100% of the time in chrome, but only 10% or so of the time in Firefox. Looking at the fiddler capture, Firefox only loads 2 of the 100ish files being pulled before it hangs. The error does not seem to be on the server or network side, however, because Chrome never encounters a problem. How do I find the root of this stall? While I suspect Firefox's javascript execution is what is causing the hang, are there any particular methods to narrow down the search for the bad code?

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